Patents by Inventor Haijiang YUAN

Haijiang YUAN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230324747
    Abstract: Disclosed are an array substrate, a display panel and a display. The array substrate is provided with a thin film transistor and a gate driving circuit. A trigger signal input terminal of the gate driving circuit corresponds to an output terminal of the thin film transistor, a first insulating layer is provided between a first metal layer corresponding to the output terminal of the thin film transistor and a second metal layer corresponding to the trigger signal input terminal of the gate driving circuit. A projected area of the first metal layer on the first insulating layer is partially overlapped with a projected area of the second metal layer on the first insulating layer.
    Type: Application
    Filed: June 14, 2023
    Publication date: October 12, 2023
    Applicant: HKC CORPORATION LIMITED
    Inventors: Hongyan CHANG, Bing HAN, Haijiang YUAN
  • Patent number: 11783767
    Abstract: A display driving circuit includes a light emitting assembly which includes a first control switch having a first terminal connected to a cathode of the light emitting unit, a second terminal connected to a common terminal, and a control terminal connected to a first signal wire to provide a first control signal and a second control switch having a first terminal connected to a charging terminal, a second terminal connected to an anode of the light emitting unit and a control terminal connected to a second signal wire to provide a second control signal. When the light emitting unit is turned off, the first control switch disconnects the cathode of the light emitting unit and the common terminal in response to the first control signal, and the second control switch disconnects the anode of the light emitting unit and the charging terminal in response to the second control signal.
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: October 10, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Xiangheng Liu, Jun Shi, Tingting Yang, Chunyan Li, Yun Lin, Zhihao Wang, Haijiang Yuan
  • Patent number: 11774800
    Abstract: A backlight module includes a lamp panel and a light-guide assembly. The lamp panel includes a plurality of light-emitting plates spliced to each other, a seam is generated between two adjacent light-emitting plates of the plurality of light-emitting plates, each of the plurality of light-emitting plates comprises a plurality of light-emitting elements; a light-guide assembly, arranged at the seam, a height of the light-guide assembly in a direction perpendicular to the lamp panel is greater than a height of each of the plurality of light-emitting elements, a surface of a side of the light-guide assembly away from the plurality of light-emitting plates is recessed toward the seam, and a part of light, which is emitted from any light-emitting element of the plurality of light-emitting elements arranged at edges of the two adjacent light-emitting plates and near the seam, is refracted by the light-guide assembly to propagate towards the seam.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: October 3, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Yuangang Hu, Haijiang Yuan
  • Patent number: 11768326
    Abstract: A backlight module and a display device are provided. The backlight module includes a back cover, a support plate, a plastic frame, an engaging member, and a film assembly. The back cover includes a bottom cover and a side cover. The side cover is connected with a periphery of the bottom cover. The side cover and the bottom cover cooperatively define an accommodation space. The support plate is connected with the side cover. The plastic frame includes a side wall and a top wall. The side wall is connected with a periphery of the top wall. The engaging member is located between the support plate and the top wall, and connected with the support plate or the top wall. The film assembly is mounted in the accommodation space. The film assembly includes a film assembly body and a tab.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: September 26, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Danwang Song, Haijiang Yuan
  • Patent number: 11764230
    Abstract: An array substrate, a display panel, and a display device are provided. The array substrate has a display region and a non-display region, and the array substrate includes a substrate, a metal layer, an intermediate layer, a conductive film, and a conductive adhesive disposed in the non-display region. The metal layer is disposed on one side of the substrate, and the intermediate layer is disposed on one side of the metal layer away from the substrate. The array substrate defines a groove penetrating through the intermediate layer. The conductive film is disposed on one side of the intermediate layer away from the substrate and extends into the groove, and the conductive adhesive is disposed on one side of part of the conductive film in the groove away from the substrate, and at least extends to an edge of the groove adjacent to the display region.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: September 19, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Lian Zhang, Guoduo Chen, Haijiang Yuan
  • Patent number: 11763737
    Abstract: A Micro-LED display panel and a display device are provided. The display panel has a display region provided with pixel units, and includes a first voltage-main-line, a second voltage-main-line, a first input-unit, and a second input-unit. The first voltage-main-line and the second voltage-main-line each surround the display region. A first voltage-access-end of each pixel unit is electrically coupled with the first voltage-main-line nearby. A second voltage-access-end of each pixel unit is electrically coupled with the second voltage-main-line nearby. The first input-unit and the second input-unit are respectively located on a periphery of opposite sides of the display region in a first direction. The first input-unit and the second input-unit each are electrically coupled with the first voltage-main-line nearby, to supply a first voltage to the first voltage-main-line.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: September 19, 2023
    Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD, HKC CORPORATION LIMITED
    Inventors: Zeyao Li, Haijiang Yuan
  • Publication number: 20230282166
    Abstract: A display panel and a drive circuit of the same are provided. The drive circuit includes multiple drive circuit rows. Each of the drive circuit rows includes multiple pixel drive circuits and a signal processing circuit. According to the drive circuit, a signal processing circuit can obtain a drive signal by processing a scan signal and a light-emitting control signal of a drive circuit row to which the signal processing circuit belongs, and can output the drive signal to each pixel drive circuit in the drive circuit row to which the signal processing circuit belongs; a pixel drive circuit can form a capacitor-reset loop by multiplexing a first switch tube in a light-emitting element reset loop of the pixel drive circuit, a second switch tube in a data-writing loop of the pixel drive circuit, and a third switch tube in a light-emitting loop of the pixel drive circuit.
    Type: Application
    Filed: December 29, 2022
    Publication date: September 7, 2023
    Applicant: HKC Corporation Limited
    Inventors: Mancheng ZHOU, Yuanping ZHANG, Shuang WANG, Peng REN, Hao TANG, Xinghan LIU, Haijiang YUAN
  • Patent number: 11749221
    Abstract: Disclosed are a driving method of an array substrate and an array substrate. The driving method of the array substrate controls a data drive signal line to output a first polarity data drive signal in a first time period and output a second polarity data drive signal in a second time period alternately. In the first time period, the first polarity data drive signal is output to drive the first sub-pixels of each pixel group to make the first sub-pixel of each pixel group to be a first polarity. In the second time period, the second polarity data drive signal is output to drive the second sub-pixel of each pixel group to make the second sub-pixel of each pixel group to be a second polarity. Polarities of sub-pixels of each column are the same.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: September 5, 2023
    Assignees: BEIHAI HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Chih Tsung Kang, Haijiang Yuan
  • Patent number: 11747660
    Abstract: Disclosed are a degassing machine and a degassing system. The degassing machine includes a machine body defined with a containing groove, an inner wall of the containing groove being provided with an electric control terminal; and a furnace body including: an upper cover fixed on a wall of the containing groove and a drawer slidably provided in the containing groove. The drawer is provided with a contact terminal corresponding to the electric control terminal, and is for placing a workpiece.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: September 5, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Lin Qin, Haijiang Yuan
  • Patent number: 11747694
    Abstract: A display panel and a display device are provided. The display panel includes a color-film substrate, an array substrate, a liquid-crystal layer, and a backlight module configured to provide collimated lights. The display panel includes multiple pixel units. The color-film substrate corresponding to each pixel unit has a first transmission region which transmits lights and a first non-transmission region which does not transmit lights. The array substrate corresponding to each pixel unit has a second transmission region which transmits lights and a second non-transmission region which does not transmit lights. An orthographic projection of the first non-transmission region on the array substrate completely covers the second transmission region.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: September 5, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Ye Wan, Haijiang Yuan
  • Patent number: 11749199
    Abstract: A pixel driving circuit and a display device are provided. The pixel driving circuit is configured to drive a pixel unit to operate, and the pixel driving circuit includes a first compensation sub-circuit and a second compensation sub-circuit. The first compensation sub-circuit is configured to compensate a voltage of an anode of the pixel unit according to a reference signal and a data signal, and the second compensation sub-circuit is configured to compensate a leakage current generated by at least one transistor in the first compensation sub-circuit according to a leakage current generated by the second compensation sub-circuit.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: September 5, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Yang Pu, Haijiang Yuan
  • Patent number: 11749204
    Abstract: A display panel and a drive circuit of the same are provided. The drive circuit includes multiple drive circuit rows. Each of the drive circuit rows includes multiple pixel drive circuits and a signal processing circuit. According to the drive circuit, a signal processing circuit can obtain a drive signal by processing a scan signal and a light-emitting control signal of a drive circuit row to which the signal processing circuit belongs, and can output the drive signal to each pixel drive circuit in the drive circuit row to which the signal processing circuit belongs; a pixel drive circuit can form a capacitor-reset loop by multiplexing a first switch tube in a light-emitting element reset loop of the pixel drive circuit, a second switch tube in a data-writing loop of the pixel drive circuit, and a third switch tube in a light-emitting loop of the pixel drive circuit.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: September 5, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Mancheng Zhou, Yuanping Zhang, Shuang Wang, Peng Ren, Hao Tang, Xinghan Liu, Haijiang Yuan
  • Patent number: 11731895
    Abstract: The present application discloses a cutting method and a cutting machine table for cutting a substrate, where the cutting method includes following steps: cutting a large substrate to be cut to obtain a finished substrate falling on a second cutting machine table; after the cutting, driving the second cutting machine table according to a preset parameter to enable a driving-away height difference to be formed between the second cutting machine table and the first cutting machine table; driving the second cutting machine table away from the first cutting machine table; and resetting the second cutting machine table to an initial state.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: August 22, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Ping Fang, Haijiang Yuan
  • Publication number: 20230258859
    Abstract: A backlight module and a display device are provided. The backlight module includes a back cover, a support plate, a plastic frame, an engaging member, and a film assembly. The back cover includes a bottom cover and a side cover. The side cover is connected with a periphery of the bottom cover. The side cover and the bottom cover cooperatively define an accommodation space. The support plate is connected with the side cover. The plastic frame includes a side wall and a top wall. The side wall is connected with a periphery of the top wall. The engaging member is located between the support plate and the top wall, and connected with the support plate or the top wall. The film assembly is mounted in the accommodation space. The film assembly includes a film assembly body and a tab.
    Type: Application
    Filed: December 29, 2022
    Publication date: August 17, 2023
    Inventors: Danwang SONG, Haijiang YUAN
  • Patent number: 11721254
    Abstract: A method for eliminating horizontal crosstalk and a system for adjusting a common electrode voltage are provided. The method for eliminating the horizontal crosstalk includes the followings. First brightness values of a first test image corresponding to different common electrode voltages, second brightness values of a second test image corresponding to different common electrode voltages, and flicker values of a third test image corresponding to different common electrode voltages are obtained respectively. A brightness difference between a corresponding first brightness value and a corresponding second brightness value is calculated and a first-difference common electrode voltage corresponding to a minimum difference is obtained. A second-difference common electrode voltage corresponding to a minimum flicker value is obtained. A mean of the first-difference common electrode voltage and the second-difference common electrode voltage is taken as a target common electrode voltage.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: August 8, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Jianying Zhang, Haijiang Yuan
  • Patent number: 11714313
    Abstract: A display device and an electronic apparatus are disclosed. The display device includes a display panel and two polarizers. At least one polarizer includes: a body defining an opening corresponding to a camera; and a magnetic orientation unit that is arranged corresponding to the opening and that includes magnetic bars and an orientation control unit used to generate a magnetic field after being energized to control rotation of the magnetic bars. When the orientation control unit is energized, the magnetic bars are rotated and arranged regularly forming an oriented slit perpendicular to the oriented slit of the opposite polarizer, so that the region corresponding to the camera is in an opaque state. When the orientation control unit is not energized, the magnetic bars are arranged disorderly and not perpendicular to the oriented slit of the opposite polarizer, so that the region corresponding to the camera is in a light-transmitting state.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: August 1, 2023
    Assignee: HKC CORPORATION LIMITED
    Inventors: Rong Tang, Haijiang Yuan
  • Publication number: 20230238396
    Abstract: An array substrate, a display panel, and a display device are provided. The array substrate has a display region and a non-display region, and the array substrate includes a substrate, a metal layer, an intermediate layer, a conductive film, and a conductive adhesive disposed in the non-display region. The metal layer is disposed on one side of the substrate, and the intermediate layer is disposed on one side of the metal layer away from the substrate. The array substrate defines a groove penetrating through the intermediate layer. The conductive film is disposed on one side of the intermediate layer away from the substrate and extends into the groove, and the conductive adhesive is disposed on one side of part of the conductive film in the groove away from the substrate, and at least extends to an edge of the groove adjacent to the display region.
    Type: Application
    Filed: December 29, 2022
    Publication date: July 27, 2023
    Inventors: Lian ZHANG, Guoduo CHEN, Haijiang YUAN
  • Patent number: 11703702
    Abstract: A privacy function structure, a display panel, and a display device are provided in the present disclosure. The privacy function structure includes a privacy state and a non-privacy state. The privacy function structure includes a first conductive layer, a privacy liquid crystal layer, a light-transmitting cover plate, and a second conductive layer. The privacy liquid crystal layer is disposed on a side of the first conductive layer, the light-transmitting cover plate is disposed on a side of the privacy liquid crystal layer away from the first conductive layer, and the second conductive layer is disposed on a side of the light-transmitting cover plate facing the first conductive layer. The second conductive layer includes multiple conductive strips mutually parallel. By controlling on and off of the multiple conductive strips, the privacy function structure is switched between the privacy state and the non-privacy state.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: July 18, 2023
    Assignees: MIANYANG HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITED
    Inventors: Yunyang Liu, Tianyu Xia, Haijiang Yuan
  • Publication number: 20230213805
    Abstract: A backlight module and a display device are disclosed. The backlight module includes a back plate and a plurality of light plates arranged on the back plate, where a seam is formed between adjacent light plates. The backlight module further includes a framework assembly that fixed to the back plate and arranged surrounding the light plates. At least a part of the framework assembly is disposed in the seam. A material of the framework assembly includes a reflective material.
    Type: Application
    Filed: December 8, 2022
    Publication date: July 6, 2023
    Inventors: XIAOLAN TONG, Haijiang YUAN
  • Publication number: 20230215367
    Abstract: Disclosed are a driving circuit, a driving method and a display device. The driving circuit (100) comprises: a data writing circuit (101), configured to, under control of a first scanning signal received at the first scanning signal end, write a data signal received at the data signal end into the first node; a control circuit (102), configured to, under control of a third scanning signal received at the third scanning signal end (SCAN3), write a data signal received by the first node (N1) into the second node (N2); and a driving sub-circuit (103), configured to, under control of a data signal received at the second node (N2), use a driving voltage received at the driving voltage end (Vdd) to drive the light-emitting component 104.
    Type: Application
    Filed: December 30, 2022
    Publication date: July 6, 2023
    Applicant: HKC CORPORATION LIMITED
    Inventors: Renjie ZHOU, Haijiang YUAN